Concessão da patente
#16.1
12/30/1986
RPI 845
The letters patent expired on 11/22/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 12/30/1986. We update with every new RPI gazette, published weekly.
Applicants
Delfi Indústria Metalúrgica Ltda
Inventors
J. K. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/30/1986
RPI 845
#13.1
08/12/1986
RPI 825
#9.1
04/08/1986
RPI 807
#15.11
07/02/1985
RPI 767
#6.1
05/21/1985
RPI 761
#4.1
11/29/1983
RPI 684
#3.2
09/27/1983
RPI 675
#2.1
07/12/1983
RPI 664
#21.1
11/22/1994
RPI 1251
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.